New windows and doors improve comfort, cut energy bills and add long-term value to your home. Meridian Windows and Doors San Francisco pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line homeowners arrive naming - the most impact certifications in the industry$$$
- More impact certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe value pick$$
- Vinyl systems built to strict wind codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Factory-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Fast, Reliable Window Installation Across San Anselmo
Window installation in San Anselmo runs $850 to $3,400 per opening for most single-family homes, with the final number set in writing before any work starts. The real variable here isn’t labor, it’s the age of your house and whether the opening needs custom jamb work to fit a settled frame. Our crews work in San Anselmo regularly, from the flats near downtown up through the Seminary hills, and we know what these pre-1940 frames do over time. Call (831) 273-7126 for a free estimate and a written price you can hold us to.
Why Meridian Windows and Doors San Francisco Is San Anselmo’s Preferred Window Installation Company
San Anselmo homeowners tend to research before they call. They’ve read the historic preservation guidelines, they’ve measured their rough openings twice, and they’ve probably talked to a neighbor who got burned by a contractor that no-showed or changed the number at the door. Our approach fits that mindset: a disciplined, plain-spoken quote delivered on paper before ordering, a crew that shows up when scheduled, and a 365-Day Done Right Promise in writing. If the work fails within the guarantee period, we return at no charge. That’s the whole point of the name: a meridian is a fixed line you measure everything against. That is how Elliot Vance runs every install.
We’re part of the Garrison Partners network, held to The Garrison Standard since 2009. The Garrison Code is simple: price goes on paper before the first screw turns, the techs who arrive are background-checked and uniformed, and the work is covered in writing for a full year. We’re authorized to install and replace products from Mr-Glass, Therma-Tru, ViewLux, and PGT, among eight manufacturer lines, so the right window gets spec’d for your San Anselmo house, not whichever unit happens to be on the truck.
Double Hung Windows in San Anselmo
Double Hung Windows are the most common replacement job we handle in San Anselmo because so many of the town’s Craftsman bungalows and Spanish Colonial Revivals from the 1920s and 1930s still have their original wood sash units. In the Seminary neighborhood especially, you’ll find double-hung frames with wavy glass that has survived ninety years of sun and rain. Replacement here is rarely a drop-in retrofit. Settled door and window frames mean the new sash needs custom shimming, and in some cases new jamb extensions, to seat properly and operate smoothly.
For a standard double-hung replacement in San Anselmo, expect $950 to $2,800 per window installed, depending on the frame condition and whether custom millwork is required to match the original profile. The written quote covers that millwork before it’s ordered.
Preserving the Wavy Glass Look
Many San Anselmo owners want to keep the wavy, hand-blown character of the original glass while fixing the drafts. We can spec a low-E insulated unit that goes into the original sash, preserving the aesthetic while cutting heat loss. The sash gets rebuilt, the jambs get shimmed to match the settled frame, and the window keeps its historic face.
When the Frame Has Settled
If the rough opening has shifted by even a quarter inch, a standard off-the-shelf sash will bind or leave gaps. That’s common in older San Anselmo homes with pier-and-beam foundations. We measure each opening independently, and if the numbers say custom jamb extensions, the quote says so in writing before ordering.
Vinyl Windows in San Anselmo
Vinyl Windows are the sensible choice for San Anselmo’s 1960s and 1970s hillside homes, where the original aluminum sliders have baked in the Mount Tamalpais rain-shadow sun and lost their seals. These homes sit in more direct afternoon sun than properties closer to the coast, and vinyl holds up well under that UV load without the thermal transfer you get from aluminum. A typical vinyl window replacement in San Anselmo runs $850 to $2,200 per unit installed, including the written quote and the 365-day guarantee.
Replacing Failed Aluminum Sliders
Those mid-century aluminum frames are notorious for seal failure. The dual pane fogs, the frame sweats in winter, and the whole unit starts to feel like a radiator in summer. Swapping them for vinyl with a proper low-E coating, a thin layer that reflects heat while letting light through, brings an immediate difference in room temperature and utility bills. We stock parts for PGT and ViewLux units locally, so turnaround on common sizes is faster than ordering custom.
Color and Finish That Matches the House
Vinyl no longer means white and only white. We can order ViewLux and Therma-Tru vinyl lines in darker exterior finishes that sit comfortably against San Anselmo’s stucco and wood-sided homes, without the maintenance cycle of painted wood. The color is baked in, so it doesn’t peel under that same UV exposure that cracks old wood frames.
Trusted Brands We Service in San Anselmo
We’re authorized to install and replace products from Mr-Glass, Therma-Tru, ViewLux, and PGT, along with four additional manufacturer lines. For San Anselmo homeowners, that matters in a specific way: we can match an existing window brand rather than forcing a full swap, and we keep common hardware and sealed units staged for fast turnaround on repairs. If your home has a failing PGT unit or a Therma-Tru entry door that’s drifted out of square, we can source the direct replacement instead of piling up change orders.
Common Window Installation Problems We See in San Anselmo Homes
- Original wood sash cracked from UV exposure. San Anselmo’s position in Mount Tamalpais’s rain shadow means fewer fog days and more direct sun than Mill Valley or Larkspur. That sun dries out old-growth fir and redwood, leaving hairline cracks that turn into drafts and rot.
- Off-the-shelf replacement sashes that violate preservation review. The town’s historic preservation guidelines are strict for pre-1940 homes. A generic vinyl insert that changes the sightlines or profile can fail design review. We spec units that match the original dimensions and sightline width.
- Settled door and window frames that make standard retrofits impossible. In homes around Seminary, frame settlement of half an inch or more is common. A standard retrofit won’t seat or seal. Custom shimming and jamb extensions are required, and that work has to be built into the quote before ordering.
- Seal failure in 1960s-70s aluminum sliders. Those hillside homes take relentless afternoon sun. Dual-pane seals give out, the glass fogs, and the only real fix is replacement with a properly rated insulated unit.
Pricing for Window Installation in San Anselmo, CA
Let’s get specific. A standard vinyl replacement window in San Anselmo runs $850 to $2,200 per unit installed. A double-hung wood or wood-clad replacement on a pre-1940 bungalow runs $1,400 to $3,400 per window, with the higher end reflecting custom millwork, jamb extensions, and preservation-compliant sightlines. Bay and bow configurations start around $3,500 and can reach $7,500 depending on depth and finish. The price we deliver before any work starts is the price on the invoice. If the scope changes, the number changes on paper first, not at the door. Estimates are free, and the written quote holds for 30 days.
We Also Serve Cities Near San Anselmo
Our crews cover San Rafael, Larkspur, Richmond, and San Pablo with the same written pricing and 365-day guarantee. If you’re in a neighboring town and researching Window Installation, the same disciplines apply: written quotes, background-checked techs, and a live person on the phone around the clock. You can reach us at (831) 273-7126.
Serving San Anselmo, CA - Our Local Coverage Area
We’re based in the San Anselmo area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Window Installation in San Anselmo
San Anselmo’s preservation guidelines require that replacements on pre-1940 homes match the original window’s sightline width, material profile, and overall appearance, so off-the-shelf vinyl inserts that change the look can fail design review. We document the existing sash dimensions and profile, then spec a replacement that preserves the original character while meeting current energy codes. If you’re in a designated historic district, start with our free site review before ordering anything. Call (831) 273-7126 and we’ll walk your specific street’s requirements with you.
Yes, we can preserve the wavy glass aesthetic while upgrading performance by keeping the original sash and installing a low-E insulated glass unit inside it. The original wavy glass often stays in place as the exterior lite, with a clear or low-E interior lite added for insulation. The sash gets rebuilt and the jambs get custom-shimmed to match the settled frame. It’s a more involved job than a standard replacement, but it keeps the historic face intact. We quote this work line-by-line before ordering.
In most San Anselmo homes we see, repairing and re-hanging a solid wood door with custom shimming costs $600 to $1,500, while a quality replacement door starts around $1,800 to $3,200 installed. If the existing door is original fir or mahogany, repair usually wins on both cost and character. The frame gets adjusted, the hinges get re-mortised, and the door operates cleanly for another few decades. We’ll give you both numbers in writing and let you decide without pressure. Call (831) 273-7126 for an exact figure.
For most San Anselmo homes, impact-rated windows are over-spec’d and unnecessary, and they add 30 to 50 percent to the window cost. What makes a real difference here is UV-rated low-E glass and proper frame sealing, given the rain-shadow sun exposure. We spec PGT’s non-impact insulated units for this climate regularly. The only exception would be a hillside home with wildfire exposure where a specific glazing rating is required, and we’ll tell you honestly if that’s your situation.
Seal failure in San Anselmo is driven by two things: UV degradation of the sealant and thermal cycling that stresses the edge seal, both worse here than in foggy neighboring towns. We spec dual-pane units with low-E coatings and stainless or warm-edge spacer systems from manufacturers like PGT and ViewLux, which hold up better under sustained sun. The install matters just as much: the unit needs to sit level in the frame, with proper weep drainage and a clean, square seat. That’s standard on every job we quote.
If you’re planning window installation in San Anselmo, the right first step is a free written estimate that accounts for your home’s age, frame condition, and the town’s preservation rules. Call (831) 273-7126 to schedule yours. The price goes on paper before anything gets ordered, and the work is covered in writing for 365 days. If it’s not done right, we come back and make it right, no charge.
Written by Elliot Vance, Owner at Meridian Windows and Doors San Francisco, serving San Anselmo with the Garrison Standard since 2009.
Six Reasons Homeowners Choose Meridian Windows and Doors San Francisco
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.